59 results about "Nerve stimulators" patented technology

The application provides a wireless and battery-free brain nerve stimulator and a preparation method. The brain nerve stimulator can be driven by a mobile phone loudspeaker, and a resonator designed can effectively amplify a piezoelectric signal. The brain nerve stimulator comprises two parts: a base provided with implantable nerve stimulation electrodes and a resonant cavity device connected through magnetic coupling. The design scheme of the brain nerve stimulator provides a general method for inhibiting epilepsy. The brain nerve stimulator can be extended to target brain deep layers or surface areas and peripheral nervous systems. A stimulation mode can be wirelessly transmitted and controlled. It is proved by electroencephalogram recording of free-moving mice that the wireless nerve stimulator can effectively relieve seizure events of the epileptic mice in vivo.

An apparatus (100) for training and assisting gait of a person, comprises: a sensor (112; 140; 150) configured for being arranged in relation to a foot or leg of the person for sensing input related to movement of the foot; a foot sole stimulator (120) for providing a foot stimulation electrical signal to the foot sole for stimulating a nociceptive withdrawal reflex; a peroneal nerve stimulator (130) for providing a peroneal nerve stimulation electrical signal to the peroneal nerve for stimulating activation of foot dorsiflexor muscle; wherein at least the foot sole stimulator (120) is configured to provide the foot stimulation electrical signal in dependence of the input sensed by the sensor (112; 140; 150); and wherein the apparatus (100) is configured to be operated in at least two different modes for selectively activating at least one of the foot sole stimulator (120) or the peroneal nerve stimulator (130).

The invention relates to a nerve stimulator, a control method of the nerve stimulator and a storage medium, and the nerve stimulator comprises a control unit which is used for controlling a signal generator; a signal generator for generating a stimulation signal, the energy of the stimulation signal satisfying an energy relationship, the energy relationship being accumulation of the charge with respect to time based on the waveform; and the output unit is used for outputting the stimulation signal. According to the application, the problem that the stimulation parameters of the stimulation equipment are easy to fail in adaptation is solved.

A non-invasive vagus nerve stimulation apparatus comprising a pair of headphones, a vagus nerve stimulator; one or more cardiac and / or brain activity sensors; and a controller; wherein the pair of headphones includes a pair of spaced apart ear-covering portions and a headband which connects the spaced apart ear-covering portions; the vagus nerve stimulator is carried by one of the ear-covering portions and includes a first arm which carries a cathode and a second arm which carries an anode; the or each cardiac and / or brain activity sensor senses activity within the body of a user and signals relating to the cardiac and / or brain activity are transmitted from the or each electrical activity sensor to the controller; and wherein the controller is carried by the pair of headphones, processes the signals relating to the sensed cardiac and / or brain activity and controls the vagus nerve stimulator to electrically stimulate the vagus nerve.

The invention relates to the field of medical equipment, in particular to a neck nerve stimulator, a neck nerve stimulation method and a computer readable storage medium, and the neck nerve stimulator comprises a position sensing unit which is used for obtaining neck position information; the energy output unit is used for outputting stimulation energy; the control unit is connected with the position sensing unit and the energy output unit and is used for determining the position of a neck nerve according to the neck position information output by the position sensing unit; the control unit is further used for controlling the energy output unit to output stimulation energy at the position where the neck nerves are located. Accurate positioning and precise stimulation of the neck nerves are achieved, and a common user can use the device conveniently.

A peripheral nerve stimulator to stimulate a peripheral nerve to treat essential tremor and other movement disorders, as well as overactive bladder, cardiac dysfunction and neurotransmitter dysfunction is provided. The peripheral nerve stimulator can be a noninvasive surface stimulator to provide multi-modal optimized therapy. Stimulation can be vibrational, electromechanical, thermal, radiant, electrical, magnetic, electromagnetic, light, mechanical, chemical, thermal, ultrasonic, radiofrequency (RF), acoustic, infrared, ultraviolet, x-ray, and / or microwave. Stimulation can be delivered using an open loop system and / or a closed loop system with feedback. Stimulation can be to one site or multiple sites.

The utility model discloses a skull implantable stimulation device, which comprises a stabbing nerve stimulator and at least one fixing part, the thorn nerve stimulator is used for sending out a nerve stimulation signal; the fixing part is arranged on a curved surface formed by the curvature k1 in the first direction and the curvature k2 in the second direction, and the nerve stimulator is fixed to the skull through the fixing part; wherein the curvature k1 is the curvature in the skull sagittal direction anatomical data; the curvature k2 is the curvature in the skull coronal direction anatomical data. After the skull implantable stimulation device is implanted, the fixing part can be attached to the skull, so that the scalp tension caused after the stimulation device is implanted is reduced.

The invention discloses a peripheral nerve plexus stimulation needle capable of automatically locking puncture depth, which relates to the technical field of nerve stimulation needles, and comprises a positioning ring seat used for being positioned above a part to be subjected to needle application; the adsorption assembly is fixedly connected below the positioning ring seat; the depth self-locking assembly is arranged in the positioning ring seat; the telescopic rods are arranged in a circumferential array, one end of each telescopic rod is hinged to the positioning ring seat, and the other end of each telescopic rod is hinged to the depth self-locking assembly; the nerve stimulation needle is arranged in the depth self-locking assembly in a penetrating manner, is driven by the depth self-locking assembly to adjust the needle setting depth, and is locked by the depth self-locking assembly after being adjusted to the target depth; the nerve stimulator is electrically connected with the nerve stimulation needle, the peripheral nerve plexus stimulation needle can achieve multiple self-locking, and the overall safety is improved.

The utility model provides a nerve stimulator which comprises a perforation body used for being punctured into the body of a patient and a push rod arranged in the perforation body in a penetrating mode when used, and the push rod can movably move in the perforation body. The lead penetrates through the push rod; the electrode is arranged in the accommodating groove at one end of the push rod and is connected with the wire; the protection body is arranged in the push rod in a penetrating mode and arranged between the wire and the push rod. One end of the traction body penetrates through the protection body and is connected with the electrode, and the other end is arranged outside the protection body; according to the nerve stimulator provided by the utility model, the electrode placed in the body of a patient can be taken out without multiple operations, so that the number of operations is reduced, and meanwhile, the risk caused by extra operations of the patient can be avoided.

The utility model discloses a nerve stimulator assembly implanted into a skull, and belongs to the technical field of medical instruments. The nerve stimulator assembly implanted into the skull comprises a stimulator with a through hole, a fixing base and a fixing piece, the fixing base comprises a base plate and a limiting table arranged on the base plate, and the stimulator is detachably connected with the fixing base; the fixing column penetrates through the through hole to be fixedly held with the limiting table. According to the nerve stimulator assembly implanted into the skull, the stimulator and the fixed base can be fixedly connected, and the stimulator and the fixed base are prevented from being disengaged and losing efficacy.

The application provides an implantable nerve stimulator suitable for human limbs, and belongs to the technical field of medical devices, and comprises: sequentially connected cylindrical end part, shell part and tail part; the shell part is internally provided with a circuit board; the end part is internally provided with a wireless charging coil, and the central axis of the wireless charging coil is parallel to the length direction of the shell part; the tail part is internally provided with an electrode connector for inserting an electrode, and the electrode connector connection channel is arranged in parallel to the length direction of the shell part; the implantable nerve stimulator of the application optimizes the layout of internal components, thereby reducing the overall width and thickness of the nerve stimulation electrode, so as to facilitate implantation in the human limb part.

The utility model relates to a watchband for wrist nerve stimulator, including watchband body, watchband body is by soft silica gel integrated injection molding, and the inboard of watchband body is provided with two sets of stimulating electrode group, and each stimulating electrode group includes a stimulating electrode and two reference electrodes respectively symmetrically arranged at the both sides of stimulating electrode. Stimulating electrode corresponds median nerve, and reference electrode corresponds radial nerve. Stimulating electrode and reference electrode protrude from the surface of watchband body, and the surface of stimulating electrode and reference electrode is uniformly provided with a plurality of convex points. Its through modularization can replace watchband and conductive silica gel electrode integration design, combines half ellipse concave-convex electrode structure and surface convex point layout, significantly improves the adhesion and contact area of electrode and skin. It adopts two sets of electrodes to stimulate median nerve and radial nerve alternately, expands the stimulation coverage range and disperses the current density, and cooperates with the press type magnetic attraction buckle and spring contact structure, realizes the quick disassembly and replacement of watchband and stable electrical connection.

We provide implantable medical devices, computer implementation methods for their use, protective cases, cables, connectors, computer programs, and computer-readable data carriers. [Solution] The present invention relates to communication adapters 1, 101, 201, and a computer implementation method for use with an implantable medical device 10, particularly a pacemaker, defibrillator, and / or nerve stimulator, for transferring data D1, D2 between the implantable medical device 10 and a mobile device 12, particularly a smartphone or tablet. In addition, the present invention relates to a protective case 22, a cable 122, and a connector 222, each comprising a communication adapter 1, 101, 201.

The invention relates to the field of medical equipment, in particular to a nerve stimulator and an output control method thereof, and the nerve stimulator comprises a signal generation unit which is used for outputting an initial signal; the signal output unit is connected with the signal generation unit and used for outputting a stimulation signal according to the initial signal, and the stimulation signal acts on the neck vagus nerve; the frequency range of the stimulation signal is 5 KHz and 20 KHz. The nerve stimulator does not stimulate other nerves, and a better treatment effect is achieved.

1. The name of the design product: non-invasive brain nerve stimulator. 2. The use of the design product: the design product is used for non-invasive electrical stimulation of the central nervous system in the head, promoting brain function regulation and recovery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses an implantable multi-site combined nerve stimulation system. The multi-channel nerve stimulator comprises a plurality of independent output channels; a plurality of multi-contact electrodes; the intermediate processing device is arranged between the connecting contact of each multi-contact electrode and the front-end electrode contact, and the intermediate processing device collects nerve electrophysiological signals through the front-end electrode contacts and then transmits the collected electrophysiological signals back to the multi-channel nerve stimulator; the multi-channel nerve stimulator supplies power to the intermediate processing device through the multi-contact electrode, outputs pulse electrical stimulation and transmits the pulse electrical stimulation to the front-end electrode contact through the intermediate processing device, and the multi-channel nerve stimulator receives nerve electrophysiological signals transmitted back by the intermediate processing device. The implantable multi-part combined nerve stimulation system has the advantages of being high in channel expansion capacity, supporting multi-part combined stimulation and synchronous collection and the like.

The present application relates to a nerve stimulator device and a control method thereof. The nerve stimulator device comprises a master nerve stimulator, a slave nerve stimulator and a connector. The master nerve stimulator and the slave nerve stimulator are arranged in parallel relative to each other, and the connector is configured to electrically connect the master nerve stimulator and the slave nerve stimulator, so that the master nerve stimulator can transmit energy and control information to the slave nerve stimulator and receive working state information from the slave nerve stimulator. The nerve stimulator device of the present application can simultaneously complete two groups of bioelectric stimulation.

The present disclosure provides a potential signal acquisition method and an implantable nerve stimulator, wherein the method comprises: outputting a pulse stimulation signal to a stimulation target; performing passive charge balance on the stimulation target after the end of the stimulation pulse of the pulse stimulation signal; and acquiring a potential signal of the target stimulation target after the end of the passive charge balance and before the start of the next stimulation pulse.

The application discloses a power supply control system and method applied to a nerve stimulator, and the system comprises a power management module and a central control processing module, the power management module provides a direct current voltage to the central control processing module, and the central control processing module controls the working mode of the power management module through a digital logic level, wherein a diode and a pin row connected in parallel with the diode are connected between the power management module and the central control processing module, the diode is used for forming a one-way voltage passage from output to input, preventing the current of the starting power supply from flowing reversely into a direct current converter to burn the direct current converter, and reducing the voltage consumption of the passage itself, and the pin row is used for short-circuiting the pin row to eliminate the voltage drop on the diode after the system is stabilized. The application realizes the low-cost requirement of the nerve stimulator by simplifying the circuit design and using low-cost components, and designs a peripheral circuit to realize the stable working and feedback regulation functions of the system.

The invention provides a detection circuit for a nerve stimulator, which comprises a master control module and a stimulation circuit, the master control module is electrically connected with the stimulation circuit, the stimulation circuit comprises a waveform generator, a stimulation driver, a stimulation point P1 and a stimulation point P2, the stimulation point P1 is electrically connected with the stimulation driver, the stimulation point P2 is grounded, the stimulation point P1 is electrically connected with the stimulation point P2, and the waveform generator is electrically connected with the stimulation driver. A stimulation resistor R1 is arranged between the stimulation point P1 and the stimulation point P2; the electrical measurement circuit comprises a sampling resistor R4, one end of the sampling resistor R4 is connected with the stimulation point P1, the other end of the sampling resistor R4 is grounded, and the resistance value of the sampling resistor R4 is far greater than that of the stimulation resistor R1; one of the in-phase input end and the inverted input end is electrically connected with the VDAC sub-module, and the other one is electrically connected between the sampling resistor R4 and the stimulation point P1; the comparator module compares the voltage of the sampling resistor R4 with the voltage of the VDAC sub-module, and can judge whether each stimulation point of the stimulation circuit is short-circuited or not.

1. The name of the design product: nerve stimulator main machine. 2. The use of the design product: for releasing current to stimulate nerves. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a detection circuit for a nerve stimulator. The detection circuit comprises a main control module and a stimulation circuit, the main control module is electrically connected with the stimulation circuit, the stimulation circuit comprises a waveform generator, a stimulation driver, a stimulation point P1 and a stimulation point P2, the stimulation point P1 is electrically connected with the stimulation driver, the stimulation point P2 is grounded, a stimulation resistor R1 is arranged between the stimulation point P1 and the stimulation point P2, and a first sampling resistor R2 is further included. The first sampling resistor R2 is electrically connected between the stimulation point P2 and the grounding point, the detection circuit comprises a first comparator module, the comparator module comprises an in-phase input end, an inverted input end and a first VDAC submodule, one of the V in-phase input end and the inverted input end is electrically connected with the first VDAC submodule, and the other one is electrically connected with the second sampling resistor R2. And the other one is electrically connected between the first sampling resistor R2 and the stimulation point P2. The first comparator module can compare the voltage value of the first sampling resistor R2 with the voltage value of the first VDAC sub-module, and if the condition of shedding or poor contact occurs, the voltage value of the R2 changes, so that whether the condition of shedding of a stimulation point occurs is detected.

The disclosure describes new apparatus, systems and methods utilizing magnetoelectric neural stimulators with tunable amplitude and waveform. Specific embodiments of the present disclosure include a magnetoelectric film, a magnetic field generator and an electrical circuit coupled to the magnetoelectric film, in particular embodiments, the electrical circuit comprises components configured modify an electrical output signal produced by the magnetoelectric film. In certain embodiments, the electrical circuit is configured to modify the electric signal to charge a charge storage element, to transmit data to an implantable wireless neural stimulator, and to provide a stimulation output to electrodes.

The utility model relates to a nerve stimulator for testing belongs to the technical field of medical devices, the utility model discloses a nerve stimulator for testing, for in the operation or the use before the formal implantation stimulator after operation. The nerve stimulation extension wire or nerve stimulation electrode is stretched into the opening, and the sliding locking slider fixes the nerve stimulation extension wire or nerve stimulation electrode to prevent the nerve stimulation extension wire or nerve stimulation electrode from falling off during work, and the nerve stimulator for testing can collect the signal of human body or send the nerve stimulation signal to human body. The nerve stimulator for testing of the embodiment can realize convenient reuse by pulling and inserting the nerve stimulation extension wire or nerve stimulation electrode, and the safety of connection is guaranteed through the connecting mechanism and locking slider.

An apparatus for muscle stimulation comprising a platform with an upper surface and a lower surface, a pair of cross rails mounted under the lower surface of the platform, a sled slidably mounted to the cross rails, a pair of sled rails mounted to the sled, a bracket slidably mounted to the sled rails, a handle secured to the bracket, wherein the handle allows an operator to adjust the location of the bracket to any location desired under the platform, a magnetic nerve / muscle stimulator mounted to the bracket which includes one or more magnets and one or more electrical coils and a control panel operationally associated with the magnetic nerve / muscle stimulator, the control panel controlling the power supplied to the magnetic nerve / muscle stimulator, wherein the magnetic never / muscle stimulator generates and directs a magnetic field into the anatomy of a patient positioned on the upper surface of the platform.

The present disclosure provides a potential signal acquisition method and an implantable nerve stimulator, wherein the method comprises: outputting a pulse stimulation signal to a stimulation target; actively balancing charges of the stimulation target after the stimulation pulse of the pulse stimulation signal ends; and acquiring a potential signal of the target after the active charge balancing ends and before the next stimulation pulse starts.

The invention relates to an implantable nerve stimulator, an in-vitro program controller and an implantable nerve stimulator system. The implantable nerve stimulator comprises an antenna, a stimulation parameter register, a CRC register and a processor. The processor generates a stimulation voltage by using the received energy and generates a stimulation pulse sequence by using stimulation parameters stored in a stimulation parameter register; when it is determined that the position of the antenna deviates according to the stimulation voltage in the stimulation period, stimulation is paused, and the stimulation pause state is sent to the in-vitro program controller; when it is determined that the in-vitro program controller reads the CRC code stored in the CRC register, the CRC register is used for calculating the CRC code of the stimulation parameter stored in the stimulation parameter register, and the calculated CRC code is sent to the in-vitro program controller; and determining whether the position offset of the antenna causes the stimulation parameters stored in the stimulation parameter register to change or not by the in-vitro program controller. According to the invention, stimulation voltage reduction and stimulation parameter mutation caused by antenna offset can be coped with.

1. The name of the design product: non-invasive brain nerve stimulator. 2. The use of the design product: the design product is used for non-invasive electrical stimulation of the central nervous system in the head, promoting brain function regulation and recovery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: nerve stimulator (skull implantable). 2. The use of the design product: for collecting and regulating brain nerve activity by implanting the skull. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: top view.